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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 4000! You can review the archived cases and read the suggested diagnoses by users and the final comment by the contributors.
Case are uploaded each week day by 10 am UK time with the correct diagnosis will generally be posted at 8 pm UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

February 2023

20 records in this category

  1. 51 year-old male who has been developing large crusted ulcerative lesions starting on wrists, later spreading to the chest. Patient recalls cleaning a very dirty porch some time prior to developing these.
    Contributor: Dr. Hafeez Diwan
    • 8 comments
    • 1,089 views
  2. 82 M Right earlobe 4mm punch biopsy
    Contributor: Iskander H. Chaudhry
    • 6 comments
    • 1,136 views
  3. 46 year-old female with Crohn’s disease. Biopsy of a rash from the left thigh.
    Contributor: Dr. Hafeez Diwan
    • 6 comments
    • 972 views
  4. 94 year old female with new rash.
    Contributor: Uma Sundram
    • 5 comments
    • 884 views
  5. 19 year old female with hyperpigmented patches and papules.
    Contributor: Uma Sundram
    • 5 comments
    • 920 views
  6. 63 year-old male with lesion on left lower leg.
    Contributor: Dr. Hafeez Diwan
    • 4 comments
    • 794 views
  7. 32 F, Left upper arm excision. 4x3mm dark brown macule
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 688 views
  8. 91 M Excision right scalp ?SCC
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 970 views
  9. 49 year old male with facial pustules.
    Contributor: Uma Sundram
    • 4 comments
    • 760 views
  10. 94 M, R tendo achilles - Excision - crusted bleeding black papule ?varicosity ?Angiokeratoma.
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 853 views
  11. 54 M, Lat L ankle punch. HIV on retrovirals. Has indurated area on lt lat ankle area surrounded by a nodule. ?Kaposi sarcoma.
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 728 views
  12. M, 3.5 years, Papules on the nape and retro-auricular areas, in addition to large swellings on the scalp and gingival hypertrophy.
    Contributor: Dr. Mona Abdel-Halim
    • 4 comments
    • 786 views
  13. 73 year old male with a lesion on the arm.
    Contributor: Uma Sundram
    • 4 comments
    • 856 views
  14. 72 year-old female with lesion on left heel plantar surface digit.
    Contributor: Dr. Hafeez Diwan
    • 4 comments
    • 1,036 views
  15. 74 M, Trunk left upper abdomen 6mm punch bx - ?PLC/ Ps. ?Grover's disease
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 819 views
  16. Right shin 4mm punch biopsy. 10mm pink fleshy nodule. Surrounding erythema present ?3 weeks. ?SCC ?traumatic. On warfarin.
    Contributor: Iskander H. Chaudhry
    • 4 comments
    • 886 views
  17. M, 24 Resistant rash in the trunk, groin and thighs of 1 year duration
    Contributor: Dr. Mona Abdel-Halim
    • 3 comments
    • 725 views
  18. 79 M, Left wrist incision biopsy. Subcutaneous nodule with papular appearance on epidermis 1.5cm x<br /> 1cm ??malignancy / metastatic lesion to exclude MM
    Contributor: Iskander H. Chaudhry
    • 3 comments
    • 794 views
  19. M 15, widespread rash of few weeks' duration
    Contributor: Dr. Mona Abdel-Halim
    • 3 comments
    • 852 views
  20. M 35 Lesion on the forearm
    Contributor: Dr. Mona Abdel-Halim
    • 3 comments
    • 920 views
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